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-rw-r--r--app/services/after_block_service.rb31
1 files changed, 31 insertions, 0 deletions
diff --git a/app/services/after_block_service.rb b/app/services/after_block_service.rb
new file mode 100644
index 000000000..8c6197f2c
--- /dev/null
+++ b/app/services/after_block_service.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+class AfterBlockService < BaseService
+  def call(account, target_account)
+    clear_timelines(account, target_account)
+    clear_notifications(account, target_account)
+  end
+
+  private
+
+  def clear_timelines(account, target_account)
+    mentions_key = FeedManager.instance.key(:mentions, account.id)
+    home_key     = FeedManager.instance.key(:home, account.id)
+
+    target_account.statuses.select('id').find_each do |status|
+      redis.zrem(mentions_key, status.id)
+      redis.zrem(home_key, status.id)
+    end
+  end
+
+  def clear_notifications(account, target_account)
+    Notification.where(account: account).joins(:follow).where(activity_type: 'Follow', follows: { account_id: target_account.id }).destroy_all
+    Notification.where(account: account).joins(mention: :status).where(activity_type: 'Mention', statuses: { account_id: target_account.id }).destroy_all
+    Notification.where(account: account).joins(:favourite).where(activity_type: 'Favourite', favourites: { account_id: target_account.id }).destroy_all
+    Notification.where(account: account).joins(:status).where(activity_type: 'Status', statuses: { account_id: target_account.id }).destroy_all
+  end
+
+  def redis
+    Redis.current
+  end
+end